Home / 858,569.76-1,184,949.48-514,419.28

Finding the Fourth Proportional to 858,569.76, 1,184,949.48 and 514,419.28

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Solution

The fourth proportional to 858,569.76, 1,184,949.48 and 514,419.28 is: 709,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,569.76 : 1,184,949.48 = 514,419.28 : x
  2. Step 2: Convert to fraction form
    858,569.76/1,184,949.48 = 514,419.28/x
  3. Step 3: Cross multiply
    858,569.76x = 1,184,949.48 × 514,419.28
  4. Step 4: Simplify right side
    858,569.76x = 609,560,858,337.97
  5. Step 5: Solve for x
    x = 609,560,858,337.97/858,569.76
  6. Step 6: Final answer
    x = 709,972.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.